1321.The installation of a split scraper ring is also a temporary repair and should be replaced when the nose landing gear is disassembled for other maintenance or overhaul.

A. 拆卸较大的螺帽。

B. 安装较大的螺栓。

C. 组装较大的螺钉。

A. The power is transmitted from the propeller to the engine.

B. The engine is used to transmit power to the propeller shaft.

C. The power is transmitted to the shaft by the engine cable.

A. Maximum altitude loss during stall recovery is approximately 800 feet.

B. Maximum altimeter loss during spin recovery is about 800 feet.

C. Maximum weight loss during stall recovery is nearly 800 feet.

A. Vertical pages instead of horizontal are preferred for all types of publication.

B. Horizontal pages are more preferable for all types of publication than vertical ones.

C. Both vertical and horizontal pages are rather preferable for all types of publication.

A. A number in the bottom left corner of the display means a related page.

B. A number in the top left corner of the display refers to a related page.

C. A number in the top left corner of the display is the irrelevant page.

A. 该子系统包括测距机,收发机,无线电高度表,基于性能的导航,甚高频全向信标,自动定向仪等部件。

B. 该子系统包括测距机,应答机,无线电罗盘,远距离无线电导航系统,甚高频全向信标,自动定向仪等部件。

C. 该子系统包括测距机,发射机,无线电罗盘,区域导航,指点信标,自动定向仪等部件。

D. C.该子系统包括测距机,发射机,无线电罗盘,区域导航,指点信标,自动定向仪等部件。

A. The lower seal is invisible prior to switching the lower bearing on.

B. The lower seal becomes visible when you push the lower bearing up.

C. The lower seal comes into view when you pull the lower bearing down.

A. 发动机系统包含元件和部件用于控制和改变润滑剂在发动机入口和出口的流动。

B. 发动机系统包含控制和引导润滑油从进口流向出口的组件和部件。

C. 润滑剂靠发动机的元件和部件的控制和引导在发动机里产生流动。

A. 故障隔离使用识别、寻找和纠正任何发生在飞机上的故障的方法,并提供所需的信息。

B. 故障隔离提供信息,这些信息用于定位、寻找和纠正任何发生在飞机上的故障。

C. 故障隔离提供信息,这些信息用于识别、定位和纠正任何可能会发生在飞机上的故障。

A. 当释放液压时,活门按顺序打开。

B. 当液压被释放后,顺序活门移动到开位。

C. 当液压增压时,要按顺序移动来打开活门。